分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Trachichthyiformes (Roughies) >
Trachichthyidae (Slimeheads)
Etymology: Hoplostethus: Greek, hoplon = weapon + Greek, stetho, stethion = brest; literal = to prick a little breast (Ref. 45335); ravurictus: Named for the pale buccal cavity of this species, which contrasts with the black lining of the mouth found in most other species of the subgenus Hoplostethus
(Hoplostethus)..
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海底的; 深度上下限 250 - 1000 m (Ref. 83593), usually ? - 400 m (Ref. 83593). ; 10°S - 20°S (Ref. 83593)
Eastern Indian Ocean: Western Australia.
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 14.1 cm SL 雄鱼/尚未辨别雌雄; (Ref. 83593)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 5 - 7; 背的软条 (总数) : 13 - 14; 臀棘: 3; 臀鳍软条: 8 - 10. This species is characterized by the following: 15, rarely 13, 14 or 16 pectoral-fin rays; 13-16, rarely 10-12 and 17-20 abdominal scutes, some scutes in large individuals with multiple apical points; isthmus with small spinoid scales; rectangular body, depth distinctly shorter than length, 1.9-2.0 in SL; nape almost straight, forehead turning abruptly downward above upper lip; body silvery in life, buccal cavity and opercular recess pale to slightly dusky (Ref. 83593).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
Gomon, M.F., 2008. A new species of the roughy genus Hoplostethus (Trachichthyidae) off Northwestern Australia. Mem. Mus. Vict. 65:189-194. (Ref. 83593)
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Estimates based on models
Preferred temperature (Ref.
123201): 9.2 - 11.4, mean 9.9 °C (based on 6 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01660 (0.00723 - 0.03808), b=3.05 (2.85 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
